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Author : Patrick Timothy Codd
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (482 download)
Download or read book Experimental Study of Reconfigurable Cavity-backed Slot Antennas written by Patrick Timothy Codd and published by . This book was released on 2001 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stuart A. Long
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Mathematical Model for the Impedance of Cavity-backed Slot Antennas written by Stuart A. Long and published by . This book was released on 1973 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: A mathematical model is derived which relates the impedance of a cavity-backed slot antenna to that of an identical slot which is free to radiate on both sides of a large ground plane. The model, which uses empirical constants from a previous experimental investigation, provides a continuously variable function for the impedance of the cavity-backed slot. This function is then compared with the previously found experimental values and approximate solution using variational techniques. (Author).
Author : Stuart A. Long
Publisher :
ISBN 13 :
Total Pages : 167 pages
Book Rating : 4.:/5 (227 download)
Download or read book An Experimental Investigation of the Impedance of Cavity-Backed Slot Antennas written by Stuart A. Long and published by . This book was released on 1973 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: The impedance of a simple open slot antenna was measured as a function of frequency and followed by a careful experimental study of the impedance of the same slot with several different cavity-backings. The impedance was found both as a function of frequency and the various parameters of the cavity. (Author).
Author : Stuart A. Long
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Theoretical and Experimental Investigation of Combinations of Slot and Linear Antennas written by Stuart A. Long and published by . This book was released on 1974 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The combination of a linear antenna and a slot antenna can be used to provide a relatively isotropic radiation pattern when the dipole is perpendicular to the plane of the slot. The theoretical far field radiation pattern of a dipole flanked by a two-element array of slot antennas is formulated. The fields for a variety of relative phasings between the elements of the combination antenna are calculated and the degree of approximation to an isotropic source in the sense of the total field noted. An experimental antenna was fabricated and the radiated fields measured with good agreement found with the theoretical formulas. (Author).
Author : Thomas G. Campbell
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (249 download)
Download or read book Experimental Investigation of a Plasma-covered Cavity-backed Slot Antenna written by Thomas G. Campbell and published by . This book was released on 1969 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nasiha Nikolic
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (221 download)
Download or read book Theoretical and Experimental Study of Cavity-backed Ring Slot Antennas written by Nasiha Nikolic and published by . This book was released on 1994 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Jay Athanasas
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (111 download)
Download or read book On the Analysis of Cavity-backed Slot Antennas written by Thomas Jay Athanasas and published by . This book was released on 1983 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard James Tector
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (648 download)
Download or read book Cavity Backed Slot Antennas written by Richard James Tector and published by . This book was released on 1958 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Edmund Szmurlo
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.:/5 (151 download)
Download or read book A Modified Log-periodic Cavity-backed Slot Antenna written by Thomas Edmund Szmurlo and published by . This book was released on 1986 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stuart Allen Long
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (769 download)
Download or read book The Cavity-backed Slot Antenna written by Stuart Allen Long and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. J. TECTOR
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (227 download)
Download or read book THE CAVITY-BACKED SLOT ANTENNA. written by R. J. TECTOR and published by . This book was released on 1957 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pushkar Bajirao Kulkarni
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (12 download)
Download or read book Substrate Integrated Waveguide Cavity-backed Slot Antenna written by Pushkar Bajirao Kulkarni and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Overcoming a narrow bandwidth is an important issue in the design of low-profile cavity-backed slot antenna. In this dissertation, a versatile wideband circularly polarized cavity-backed slot antenna is presented. The structure demonstrates dual-resonance behavior, which can be tailored to provide a wide-band or a dual-band response. Circular polarization is generated with four feeds using sequential rotation technique. Polarization modulation is demonstrated by inverting the phase of the two feeds alone. The study presents and discuses antennas principle of operation, design procedure and realization using a standard economical printed circuit board (PCB) fabrication process. Measurement results indicate that an impedance and polarization bandwidth of 31.1% and> 47% respectively with symmetric radiation patterns in both principal planes can be achieved. Excellent polarization purity is obtained at boresight due to the feeding technique used; making the proposed antenna a suitable candidate in applications demanding high purity or for the use in an array environment. A two element antenna array is investigated demonstrating similar bandwidth as that of a single element along with improved radiation performance. Another advantage of the implemented feeding scheme is high isolation between the differential ports of the antenna, which is used to successfully decipher the unique signature of a chipless RF identification (RFID) tag.
Author : Rolf O. E. Lagerlöf
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (186 download)
Download or read book Optimal Design of Cavity Backed Slot Antennas written by Rolf O. E. Lagerlöf and published by . This book was released on 1972 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rolf O. E. Lagerlöf
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (186 download)
Download or read book Design of Cavity Backed Slot Antennas and Some Other Related Microwave Components written by Rolf O. E. Lagerlöf and published by . This book was released on 1973 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rajesh C. Paryani
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (639 download)
Download or read book Design of a Wideband Dual-polarized Cavity Backed Slot Antenna written by Rajesh C. Paryani and published by . This book was released on 2010 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new technique for designing wideband dual-polarized cavity-backed slot antennas is presented. The structure is in the form of a double-resonant, dual-polarized slot antenna backed by a shallow substrate integrated cavity with a depth of approximately [lambda]0/10, where [lambda]0 is the wavelength in free space. The presence of the cavity behind the slot enhances the antenna's directivity and reduces the possibility of surface wave propagation in the antenna substrate when the element is used in an array environment. Moreover, the dual-polarized nature of this radiating element may be exploited to synthesize any desired polarization (vertical, horizontal, RHCP, or LHCP). The double-resonant behavior observed in this substrate-integrated cavity-backed slot antenna (SICBSA) is utilized to enhance its bandwidth compared to a typical cavity-backed slot antenna. A prototype of the proposed antenna is fabricated and tested. Measurement results indicate that a bandwidth of 19%, an average gain of 5.3 dB, and a wideband differential isolation of 30 dB can be achieved using this technique. The principles of operation along with the measurement results of the fabricated prototype are presented and discussed in this dissertation. The SICBSA is investigated as a candidate for use as an array element. A uniform two element phased array is demonstrated to locate the main beam from boresight to thirty degrees. The potential effects of mutual coupling and surface wave propagation are considered and analyzed.
Author : GILBERT H. OWYANG
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (227 download)
Download or read book An Experimental Study of a Slot Antenna and a Three-element Collinear Array of Slot Antennas written by GILBERT H. OWYANG and published by . This book was released on 1959 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward Hayes Lopez
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (281 download)
Download or read book Full Wave Analysis of Two Dimensional Magnetically-tuned Cavity- Backed Slot Antennas written by Edward Hayes Lopez and published by . This book was released on 1992 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
